Moderate risk of harm from unprotected sun exposure. Wear sunglasses and use sunscreen, cover the body with clothing and a hat.

6–7

High risk of harm from unprotected sun exposure. Wear sunglasses and use sunscreen having 15 or higher, cover the body with sun protective clothing and a wide-brim hat.

8–10

Very high risk of harm from unprotected sun exposure. Wear sunglasses and use sunscreen having SPF 30 or higher, but take extra care — unprotected skin can burn quickly.

11+

Extreme risk of harm from unprotected sun exposure. Wear sunglasses and use sunscreen SPF 30 or higher, cover the body with a long-sleeve shirt and pants, wear a broad hat or stay under shade. Unprotected skin can burn very quickly.